ACAT1 and nasopharyngeal carcinoma: To reveal the altered expression of ACAT1 in NPC, we firstly investigated the transcription of ACAT1 in seven NPC cell lines (HK1, HONE1, CNE1, 5-8F, 6-10B, and C666-1) compared with an immortalized normal nasopharyngeal epithelial cell line (NP69).